Projection systems and processes for generating and utilizing overlapping waveforms are disclosed herein. The overlapping waveforms may be output waveforms generated by a plurality of single color light sources.
Legal claims defining the scope of protection, as filed with the USPTO.
1. In a projection system, a method of operation, comprising: energizing a first color light source to generate a first color light during a first increment of time; de-energizing the first color light source for a second increment of time, the de-energizing decrementally reducing the light output of the first color light source; and energizing a second color light source to generate a second color light during a third increment of time that overlaps with the second increment of time at least in part, the energizing incrementally increasing the light output of the second color light source.
2. The method of claim 1 , wherein said energizing a first color light source comprises energizing a first primary color light source, and said energizing a second color light source comprises energizing a second primary color light source that is different from said first primary color light source.
3. The method of claim 1 , wherein the first and second color lights generated during de-energizing of the first color light source forms a first transition light, and the method further comprises employing the first transition light to at least contribute to generating an image on a screen.
4. The method of claim 1 , wherein said energizing of the first and the second color light sources comprises energizing a first and a second light-emitting diodes (LEDs), respectively.
5. The method of claim 1 , wherein said energizing a second color light source comprises energizing the second color light source while the first color light source is still energized.
6. The method of claim 1 further comprising de-energizing the second color light source during a fourth increment in time, and energizing a third color light source to generate a third color light during a fifth increment in time that overlaps with the fourth increment in time at least in part.
7. The method of claim 6 , wherein said energizing the first, the second, and the third light sources comprises energizing a first, a second, and a third primary color light sources respectively.
8. The method of claim 7 , wherein the first and second color lights generated during de-energizing of the first color light source forms a first transition light, the second and third color lights generated during the de-energizing of the second color light source forms a second transition light, and the method further comprises employing the first and second transition light to at least contribute to generating an image on a screen.
9. The method of claim 8 further comprising de-energizing the third color light source during a sixth increment in time, and energizing the first color light source to generate the first color light during a seventh increment in time that overlaps the sixth increment in time at least in part.
10. The method of claim 9 , wherein the third and first color lights generated during de-energizing of the third color light source forms a third transition light, and the method further comprises employing the third transition light to at least contribute to generating an image on a screen.
11. In a projection system, a method of operation, comprising: generating a first and a second color lights simultaneously during a first time period, from a first and a second color light source, respectively, the first and the second color lights combining to form a first transition light, the first color light being de-energized during the first time period, and the second color light being energized during the time period, the energizing incrementally increasing the light output of the second color light source; and employing the first transition light to at least contribute to generating an image on a screen.
12. The method of claim 11 , wherein said generating comprises generating a first and a second primary color lights.
13. The method of claim 11 , wherein said generating comprises generating the first and the second color lights from light-emitting diodes (LEDs).
14. The method of claim 11 further comprising generating third and fourth color lights simultaneously during a second time period, from the second color light source and a third color light source, respectively, the third and the fourth color lights combining to form a second transition light, the third color light being de-energized during the second time period, and the fourth color light being energized during the second time period and employing the second transition light to at least contribute to generating the image on the screen.
15. The method of claim 14 further comprising generating fifth and sixth color lights simultaneously during a third time period, from the third and the first color light sources, respectively, the fifth and sixth color lights combined to form a third transition light, the fifth color light being de-energized during the third time period, and the sixth color light being energized during the time period, and employing the third transition light to at least contribute to generating the image on the screen.
16. An apparatus, comprising: a plurality of color light sources; and a controller coupled to the plurality of color light sources, the controller adapted to energize a first of the plurality of color light sources to generate a first color light for a first increment in time; de-energizing the first of the plurality of color light sources for a second increment in time, the de-energizing to reduce the light output of the first of the plurality of color light sources to zero light output at the end of the second increment in time, and energizing a second of the plurality of color light sources to generate a second color light for a third increment in time that overlaps with the second increment in time at least in part, the energizing incrementally increasing the light output of the second color light source.
17. The apparatus of claim 16 , wherein the color light sources comprise light-emitting diodes (LEDs).
18. The apparatus of claim 16 , wherein the color light sources comprise monochromatic color light sources, each of the monochromatic color light sources to generate a different primary color.
19. The apparatus of claim 16 , further comprising a light valve, the light valve adapted to modulate color lights generated by the plurality of color light sources.
20. The apparatus of claim 19 , wherein the controller adapted to control the light valve is synchronous with operation of the plurality of color light sources.
21. The apparatus of claim 20 , wherein said light valve adapted to modulate one or more transition lights generated by the plurality of color light sources.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
May 13, 2005
May 1, 2007
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